﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Example43
{
    class Rectangle {
        int x;
        int y;
        public void setValues(int a, int b) {
            x = a;
            y = b;
        }
        public int area() {
            return (x * y);
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            Rectangle recta = new Rectangle();
            Rectangle rectb = new Rectangle();
            recta.setValues(3, 4);
            rectb.setValues(5, 6);
            Console.WriteLine("rect a:{0}", recta.area());
            Console.WriteLine("rect b:{0}", rectb.area());
        }
    }
}
